package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理
 */
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
   public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
           log.info("异常信息：{}",ex.getMessage());
            if(ex.getMessage().contains("Duplicate entry")){
                String[] spit = ex.getMessage().split(" ");
                log.info("已存在字段:{}",spit[2]);
                String msg = spit[2] +"已存在";
                     return R.error(msg);
            }


        return R.error("未知错误");
    }


    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){



        return R.error(ex.getMessage());
    }
}
